Joint Custody

Izuku Midoriya and Ochako Uraraka have had a sort of on again off again relationship since high school, they love each other, but their lives are so hectic, they don't know how to involve each other. They tried harder when they had a child together, but they just didn't work out. She started dating Tenya Iida, and Izuku didn't think it would last long, but, than Tenya asked him for permission to marry Ochako. Heartbroken, Deku gave his blessing, and watched the woman he loved, marry a man who was better for her. Years later, their daughter gets sick, and Ochako and Deku work together to make sure her needs are met, will they fall into old habits? {Basically a fic about Ochako and Deku sort of coming in and out of each other's lives while she is married to Iida}